Robert B. Parker was the author of seventy books, including the legendary Spenser detective series, the novels featuring Chief Jesse Stone, and the acclaimed Virgil Cole/Everett Hitch westerns, as well as the Sunny Randall novels. Winner of the Mystery Writers of America Grand Master Award and long considered the undisputed dean of American crime fiction, he died in January 2010.

Robert Knott is an actor, writer, and producer. His extensive list of stage, television, and film credits include the feature film Appaloosa based on the Robert B. Parker novel, which he adapted and produced with actor and producer Ed Harris. This is his first novel.